Oil-gage.



E. IvI. BENFORD.

OIL GAGE. APPLICATION FILED fm2. 1915.1

Pateilted Jah. 18, 1916;

vTED STATES' PATENT OFFICE.'

EDWARD M. BENFORD, or MOUNT VERNON, NEW Yoan oit-GAGE.

Specification of Letters Patent.

Patenten Jaa; is, 1916.

Application led February 25, `1915. Serial No. 10,459.

I cation.

This invention relates to oil more particularly yto a device of thiskind which is particularly adapted for use with that type of automobileknown as theFoi-d, the object of the invention `being to .pro-

fide a simple and inexpensive oil gage which will accurately indicatethe quantity of oil in the oil reservoir or crank case ofthe engine fromwhich the cylinders, pistons, etc., are automatically lubricated in thewell known manner.

The particular object of the presentimprovement is to 1provide an oilgage which can be quickly and readily attached without the necessityOfbending the connecting pipe and in which the parts forming the gageare very much simplified and reinforced, and in which also the oil inthe oil cup or cylinder, when the oil is heavy or gummy,

will not prevent the working of the gage.

ln the dr wings accompanying and forming part of thisspecification,Figuie 1 illustrates a vportion of a Ford automobile withthis improved Tage attached; Fig. 2 is a side view of a portion of theengine illustrating the position of the gage; Fig. 3 is -an en lai-gedpartly sectional view showing in detail this improved gage; and Fig.Afis a view of the indicating portion ofthe gage.

Similar characters of reference indicate corresponding parts throughoutthe several figures of the drawings. l

Ordnarily in oil gages of `this general type it has been found necessaryto bend the tube connecting I cup or cylinder in order to `properlyattach the device. This is sometimes not an easy operation and is alsoliable to fracture -or split the tube,

proper operation of the device. Furthermore, in devices of this kind,when the oil gummy, as in winter time, it causes the float to stick tothe sides .of the oil cup or cylinder' andfthis also prevents the properoperation off'the device.

The object of the presentimprovement therefore is to provide an oiligagewhich is EDWARD M. BENFORD,

gages, and

the crank case with the oil especially when the tubes are thin orweak-walled, thus preventing the not only simple and inexpensive, butwhich i point where the lower pet cock 3 is ordi.

narily'located, and for the purpose of preventing the bending of theusual brass or copper connecting pipe I have provided an improvedconnection comprising in the pres- ;ent instance' a Ye-sliaped member 4.One

branch, as 6, of this Y\shap.ed member is exteriorly threaded at oneend, v4as at 5, this being 'the longer branch of the two, so that it canbe .readily turned inta*` the threaded opening of the crank case fromwhich lthe lower pet cock 3 is removed. The oppositeend of this branchis internally threaded 'as at? for the reception of the removed pet cock3, whereby this petv cock may s till'be utilized, should occasionrequire, in the-same ivay as it could be used when in the crankcase. Theother branch 8 of the Y member likewise exteriorly threaded as at 9 forthe reception of a suitable packing box or .cou-

pling 10 which is of tapered form andis v provided with a nut-receivingportion l1,

and this coupling member litsl 'the end of a lstraight connecting pipe12 which is, out- -wardly flanged at its ends so as to retain means ofThe gage tube18, which may be made of lany suitablematci'al, as ofbrass, is provided with a' cut-away portirn to form a sight opening 19,and inside this tube at this portion is fitted a transparent menil'rerwhich may be of glass, Celluloid oi similar matcrial,-and which may bein the form of a tube removable cap 0r closure 1G having,- a'reinforcing dome-shaped portion 17 by' whichrtlie gage tube 18 isvconnected.

20 closely fitting the brass tubeat this point.

is an indicator in the formoii' a rodor Wire 22 having an enlarged head23 shown bent from the end of the wire, the lower end of this rodAhaving connected thereto-a suitable float 24, shown in the presentinstance as a piece of cork which may besuitabl-y shellacked, and whichcork `is provided with aplurality of open guides 25A projecting from thesides thereof to space the float from the sides of the cup casingwhereby should the oil become gummy -it' will not,-interferewith theproper. working of the float.' Between the topv of' `the float land thetop ofthe closure may be locatedI a packing disk-washer.

The gage tube 18 is rconnected to the dash below the foot-board' by asuitable strap 26 and projects above the ifoot board a su'icientdistance `to enable the quantity Iof oil in the casing to be-quicklydetermined. When the oil in the casing is at the 'height fof the lowerpet cock or at the height ofthe Y- connection,l itis in the 'positionmarked 'low y on thegage, and when attheheight of the upper pet cock itis ,in the positionA marked high onthe gage.

By means of the improved Y-connection the necessity of 'bending theconnecting pipe l2 is entirely avoided, and at the same timethisconnection facilitates'vthe ready' and .quick attachment of the.gage in position,

and by means of the improved float shown the liability of the oilpreventing the proper Working of the gage is obviated, while the generalconstruction is so simple in the number of its parts and in the manner'in which lit isconstructed that it is inexpensive to make, whilestrongand durable in use.

connecting and a Y-connection for connecting said pipe with thereservoir of an engine.

2. An oil gage comprising ,an oil cup, an indicating tube connected`therewith and having'a sight opening, "an indicator movable in Saidtube, a Hoat in said cup and connected to the lower end ofsaidindicator,means relatively carried by the cup and float for preventing thesticking of the Boat, a connecting. pipe, and a Y-connect'ion foran'engine.

3. An oil indicating `tube connected therewith and having a sightopening, an indicator movable in said tube, a float in said. clip andconnected tothe lower end thereof, means relatively carried -by the cupand iloatfo'r preventing the sticking of the float, a straight pipe, anda Ylconnection for con# necting said pipe with the reservoir of anengine, one branch of said Y-connection being'exteriorlythreaded atfoneend and interiorly threaded at the other, and a shorter eXteriorlythreadedbranch' portion.v

A. An oil gage comprising anoil cup, an indicating tube connectedtherewith and having a sight opening, an'indicat'oremovable in usaidtube; a floatV in said cup and connected with the lower endof saidindicator, means relatively carried by the cup and' float forypreventing vthe stickingr of the float, a .connecting pipepa{Y-coimecti'on for connecting said pipe with the reservoir of an engine,and a pair of sliding coupling members connecting the pipe with the oilcup and with the Y-connection.

EDW. M. BENFORD. 'I/Vitnesses PHILIP A. MURRAY, DAVID LEvrN. i'

said tube with vthe reservoir of i l 65 gage comprising anoil cup, an.

